It's more than a year since Israel launched its immoral attack on Gaza and Palestinians are still living on the verge of a humanitarian disaster. So what has Tony Blair done to further peace in the region? Virtually nothing, argues the historian Avi Shlaim

Partly, however, Blair's failure is due to his own personal limitations; his ­inability to grasp that the fundamental issue in this tragic conflict is not Israeli security but Palestinian national rights, and that concerted and sustained international pressure is required to compel Israel to recognise these rights. The core issue cannot be avoided: there can be no settlement of the conflict without an end to the Israeli occupation. There is international consensus for a two-state solution, but Israel rejects it and Blair has been unable or unwilling to use the Quartet to enforce it...